Skip to main content
Back to Search Jobs

Posted 2 days ago

Senior iOS Developer, London, Contractor

ION Group

  • Visa sponsorship not verified

  • Salary: not listed by employer

  • Estimated range: not enough salary data for this role yet.

  • Permanent residency after about 5 yrs

  • Citizenship after about 6 yrs

  • Work language: likely English (posting is in English)

About the role

Employment type: Contractor. Lab49   is an award-winning specialist consultancy that creates bespoke technology in partnership with the most important companies in finance. We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science. Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment…

Social security agreement

Location Insights: London

  • Rent (City)

    Average private rent across London was £2,332 a month in August 2026. This covers all property sizes, and ONS gives no centre/outside split.

  • Take-home pay (Country tax)

    Needs a posted salary to estimate

  • Weather (City)

    London: summer highs about 73°F / 23°C, winter highs about 46°F / 8°C

  • Safety (Country)

    High peacefulness (Global Peace Index rank 39)

Listed via